This is the 27th in a series of articles based on chapters excerpted from theClinician's Handbook of Preventive Services, part of the Put Prevention into Practice Program from the U.S. Public Health Service. This month's article, which contains updated recommendations, is taken from a draft of the second edition of the Clinician's Handbook, scheduled to be published in the fall. The draft is awaiting final approval from the U.S. Department of Health and Human Services.